RHSA-2014:1803
Vulnerability from csaf_redhat - Published: 2014-11-05 09:51 - Updated: 2026-06-25 10:42An information disclosure flaw was found in mod_auth_mellon's session handling that could lead to session overlapping in memory. A remote attacker could potentially use this flaw to obtain data from another user's session.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.i686 | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.ppc64 | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.s390x | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.src | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.x86_64 | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-debuginfo-0:0.8.0-3.el6_6.i686 | — |
Vendor Fix
fix
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-debuginfo-0:0.8.0-3.el6_6.ppc64 | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-debuginfo-0:0.8.0-3.el6_6.s390x | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Server-6.6.z:mod_auth_mellon-debuginfo-0:0.8.0-3.el6_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: 6Workstation-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.src | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Workstation-6.6.z:mod_auth_mellon-0:0.8.0-3.el6_6.x86_64 | — |
Vendor Fix
fix
|
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| Unresolved product id: 6Workstation-6.6.z:mod_auth_mellon-debuginfo-0:0.8.0-3.el6_6.i686 | — |
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fix
|
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| Unresolved product id: 6Workstation-6.6.z:mod_auth_mellon-debuginfo-0:0.8.0-3.el6_6.x86_64 | — |
Vendor Fix
fix
|
It was found that uninitialized data could be accessed when processing a user's logout request. By attempting to log out, a user could possibly cause the Apache HTTP Server to crash.
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"text": "An information disclosure flaw was found in mod_auth_mellon\u0027s session handling that could lead to session overlapping in memory. A remote attacker could potentially use this flaw to obtain data from another user\u0027s session.",
"title": "Vulnerability description"
},
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"text": "mod_auth_mellon: remote memory disclosure flaw",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1157281"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-8566",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-8566"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-8566",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-8566"
}
],
"release_date": "2014-11-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-11-05T09:51:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/articles/11258",
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{
"cvss_v2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "mod_auth_mellon: remote memory disclosure flaw"
},
{
"acknowledgments": [
{
"names": [
"mod_auth_mellon team"
]
}
],
"cve": "CVE-2014-8567",
"discovery_date": "2014-10-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1157954"
}
],
"notes": [
{
"category": "description",
"text": "It was found that uninitialized data could be accessed when processing a user\u0027s logout request. By attempting to log out, a user could possibly cause the Apache HTTP Server to crash.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "mod_auth_mellon: logout processing leads to denial of service",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
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"category": "external",
"summary": "RHBZ#1157954",
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"threats": [
{
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"details": "Moderate"
}
],
"title": "mod_auth_mellon: logout processing leads to denial of service"
}
]
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.